body{
    margin: 0 auto;
    width: 100%;
    min-width: 320px;
    max-width: 640px;
    font-size: 14px;
    color:#666;
    // background-color: pink;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
}
.app{
    height: 45px;
    ul {
       
        margin: 0;
        padding: 0;
        list-style: none;
        li{
        float: left;
        background: #333;
        height: 45px;
        line-height: 45px;
        text-align: center;
        color: #fff;
        &:nth-child(1){
            width: 8%;
            img{
                width: 10px;
            }
        }
        &:nth-child(2){
            width: 10%;
            img{
                width: 30px;
                vertical-align: middle;
                
            }
        }
        &:nth-child(3){
            width: 57%;
        }
        &:nth-child(4){
            width: 25%;
            background-color: #F63515;
        }
    }}
}
.search-wrap{

    height: 44px;
    position: fixed;
    width: 100%;
    min-width: 320px;
    max-width: 640px;
    line-height: 44px;
    text-align: center;
    overflow: hidden;
    .wrap-left{
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 100%;
    &::before{
        content: '';
        display: block;
        margin: 14px 0 0 15px;
        width: 20px;
        height: 18px;
        background: url(../assets/images/s-btn.png) no-repeat ;
        background-size: 20px 18px;
    }
    }
    .search{
        height: 30px;
        margin:0 50px;
        margin-top: 7px;
        background-color: #fff;
        // background-color: skyblue;
        border-radius: 20px;
        &::before{
            display: block;
            position: absolute;
            margin-top: 7px;
            margin-left: 13px;
            width: 20px;
            height: 15px;
            // background-color: blueviolet;
            content: '';
            background: url(../assets/images/jd-sprites.png) no-repeat;
            
            background-size: 200px;
        }
        &::after{
            display: block;
            position: absolute;
            margin-top: 5px;
            margin-left: 40px;
            width: 1px;
            height: 20px;
            content: '';
            background-color: #ccc;

        }
        .search-icon{
            display: block;
            position: absolute;
            margin-top: 7px;
            margin-left: 50px;
            width: 18px;
            height: 15px;
            background: url(../assets/images/jd-sprites.png) no-repeat;
            background-position: -83px 0px;
            background-size: 200px;
        }
    }
    .wrap-right{
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 100%;
    color: #fff;

    }
}
.main-content{
    .slider{
        img{
            width: 100%;
        }
    }
    .brand{
        position: relative;
        // height: 110px;
        margin-top: -15px;
        overflow: hidden;
        border-radius: 10px 10px 0 0 ;
        z-index: 9;
        div{
            float: left;
           
            width: 33.33%;
        }
        img{
            width: 100%;
        }
    }
}

.menu{
    width: 100%;
    ul {
        padding: 0px;
        margin: 0px;
        list-style: none;
        li{
            float: left;
            width: 20%;
            text-align: center;
            vertical-align: middle;
            a{
                text-decoration: none;
                color: #666;
                img{
                    display: block;
                    width: 40px;
                    margin: 10px auto;
                }
                span{
                    display: block;
    
                }
            }
            

        }
    }
}
